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Standard Ignition JR-102 Distributor RotorOE Quality 60-Day Returns
Part #: JR-102

Standard Ignition JR-102 Distributor Rotor

36 vehicles fit this part
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Fitment: Geo, Toyota, Chevrolet, and Isuzu, Prizm, Corolla, Pickup, MR2, Van, Nova, I-Mark, Van Wagon, 4Runner, Camry, and Celica
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Distributor Rotor for Toyota and Geo Applications

Standard Ignition JR-102 is a distributor rotor for ignition systems that use a distributor-mounted rotor to route spark from the coil to the correct cylinder. This part is used in a range of Toyota, Geo, Chevrolet, and Isuzu applications, including Toyota Corolla, Toyota Pickup, and Geo Prizm models with the specified distributor setup.

Key Features

  • Distributor rotor for ignition distributor and magneto applications
  • Contents: Distributor Rotor
  • Direct-fit replacement for select Toyota, Geo, Chevrolet Nova, and Isuzu I-Mark vehicles
  • Fits applications with distributor ignition pickup notes where specified
  • Standard Ignition JR-102 cross-references Gates 3840 for the same application

Detailed Description

The Standard Ignition JR-102 distributor rotor is built for vehicles that rely on a conventional distributor ignition system. It transfers high-voltage spark through the distributor cap to the correct plug wire path, making it a critical wear item in ignition service. This rotor is used across multiple import and compact vehicle platforms, including 1987-1991 Toyota Corolla, 1984-1990 Toyota Pickup, and 1990-1992 Geo Prizm, along with additional Toyota, Chevrolet, and Isuzu fitments listed below.

Fits 1990-1992 Geo Prizm, N/A; Fits 1987-1991 Toyota Corolla, N/A; Fits 1984-1990 Toyota Pickup, N/A; Fits 1985-1989 Toyota MR2, N/A; Fits 1986-1989 Toyota Van, N/A; Fits 1988 Chevrolet Nova, N/A; Fits 1987-1988 Isuzu I-Mark, N/A; Fits 1986 Toyota 4Runner, N/A, To 1/86; Fits 1986 Toyota Camry, N/A, Compatible with vehicles equipped with U.S. Emissions for Distributor Ignition Pickup; Fits 1986 Toyota Corolla, N/A, Compatible with vehicles equipped with U.S. Emissions for Distributor Ignition Pickup; Fits 1985-1986 Toyota Celica, N/A; Fits 1985 Toyota 4Runner, N/A.

What It Helps Address

  • Misfire caused by worn rotor contact surfaces
  • Intermittent spark delivery inside the distributor
  • Hard starting related to ignition rotor wear
  • Rough idle from inconsistent spark routing
  • Ignition performance loss in distributor-equipped Toyota and Geo vehicles

Installation Notes and Tips

Verify distributor style and engine application before installation, especially on 1986 Toyota Camry and 1986 Toyota Corolla models with U.S. emissions distributor ignition pickup requirements. Inspect the distributor cap, rotor contact area, and related ignition components during service to confirm the source of wear. Standard Ignition JR-102 should be matched to the vehicle’s distributor configuration and model-year fitment before replacement.

Quality Assurance

Standard Ignition is a recognized ignition parts brand with broad coverage for distributor service applications. This part cross-references Gates 3840 for the same application.

BrandStandard Ignition
Part NumberJR-102
Color/FinishRed
Contact Terminal MaterialBrass
ContentsDistributor Rotor

This part fits 36 vehicles. Search below:

YearMakeModelSubmodelBody TypeLitersCylindersFuel TypePositionNotes
1992GeoPrizm1.6LL4N/ACoil Outside Distributor
1991GeoPrizm1.6LL4N/ACoil Outside Distributor
1991ToyotaCorolla1.6LL4N/A
1990GeoPrizm1.6LL4N/ACoil Outside Distributor
1990ToyotaCorolla1.6LL4N/A
1990ToyotaPickup2.4LL4N/A
1989ToyotaCorolla1.6LL4N/A
1989ToyotaMR21.6LL4N/A
1989ToyotaPickup2.4LL4N/A
1989ToyotaVanN/A
1988ChevroletNova1.6LL4N/A
1988IsuzuI-MarkN/A
1988ToyotaCorollaHatchbackN/A
1988ToyotaCorollaCoupeN/A
1988ToyotaMR21.6LL4N/A
1988ToyotaPickup2.4LL4GASN/A
1988ToyotaVanN/A
1987IsuzuI-MarkN/A
1987ToyotaCorolla1.6LL4N/A
1987ToyotaMR2N/A
1987ToyotaPickupGASN/A
1987ToyotaVanN/A
1986Toyota4Runner2.4LL4N/ATo 1/86
1986ToyotaCamry2.0LL4GASN/ACompatible with vehicles equipped with U.S. Emissions for Distributor Ignition Pickup.
1986ToyotaCelicaGT2.0LL4N/A
1986ToyotaCelicaST2.0LL4N/A
1986ToyotaCorolla1.6LL4N/ACompatible with vehicles equipped with U.S. Emissions for Distributor Ignition Pickup.
1986ToyotaMR2N/A
1986ToyotaPickupGASN/A
1986ToyotaVanN/A
1985Toyota4Runner2.4LL4N/A
1985ToyotaCelica2.4LL4N/A
1985ToyotaCorolla1.6LL4N/A
1985ToyotaMR2N/A
1985ToyotaPickupGASN/A
1984ToyotaPickupGASN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

041341-384012-021512337496173-790319102160602-384023102P38404R113151-56655A26-41494844585D717DAA1338EP484EP484SBJA951JR102TW296

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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